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Appendix I: Parallel function
1. Introduction
This inverter can be used in parallel with two different operation modes.
1. Parallel operation in single phase with up to 9 units. The supported maximum output power is
54KW/54KVA.
2. Maximum nine units work together to support three-phase equipment. Seven units support one phase
maximum. The supported maximum output power is 54KW/54KVA and one phase can be up to
42KW/42KVA.
NOTE: If this unit is bundled with share current cable and parallel cable, this inverter is default supported
parallel operation. You may skip section 3. If not, please purchase parallel kit and install this unit by following
instruction from professional technical personnel in local dealer.
WARNING! Please make sure all output N wires of each inverter must be always connected. Otherwise, it will
cause inverter fault in error code # 72.
2. Package Contents
In parallel kit, you will find the following items in the package:
Parallel board
3. Parallel board installation
Step 1: Remove wire cover by unscrewing all screws.
Step 2: Remove two screws as below chart and remove 2-pin and 14-pin cables. Take out the board under the
communication board.
Parallel communication cable
Current sharing cable
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